Bitewe numuyoboro unanutse ufite umutwaro uremereye, ubunyangamugayo bwiza, uburinganire bwiza bwo gutwara imizigo, uburinganire bwuzuye, ubuso buringaniye, hamwe nuburyo bworoshye bwo gufunga, igitereko cyoroshye gishobora gutoranywa muburyo bwinshi kandi gishobora gushyirwaho sisitemu yo kumurika ukurikije ibyayo. ibikenewe, gutanga mana yoroshye ...
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